Literature
Auteur(s) Osytshnjuk, A.Z., Panfilov, D.V. and Ponomareva, A.A.
Jaar 1978
Titel Superfamily Apoidea. In: Medvedev, G.S. (ed.), Key to the Insects of the European Part of the USSR., pp. 279–519 . Nauka. P., Leningrad.